Nieuport IV

Nieuport IV
Nieuport IV.G of the Air Battalion Royal Engineers serialled B4.
Role	Sporting and military monoplane
National origin	France
First flight	1911
Introduction	1911
Status	retired
Primary users	Imperial Russian Air Service Aéronautique Militaire Corpo Aeronautico Militare
Produced	1911-1915
Developed from	Nieuport III
Variants	Nieuport VI

The Nieuport IV was a French-built sporting, training and reconnaissance monoplane of the early 1910s.

Societe Anonyme des Etablissements Nieuport was formed in 1909 by Édouard Nieuport. The Nieuport IV was a development of the single-seat Nieuport II and two seat Nieuport III.A. It was initially designed as a two-seat sporting and racing monoplane, but was also bought by the air forces of several countries. It was initially powered by a 50 hp (37 kW) Gnome Omega rotary engine, which was later replaced by more powerful rotaries.

The first Nieuport IVs were built in 1911 and production continued well into World War I in Russia. The design was adopted in small numbers by most air arms of the period, although the Imperial Russian Air Service was the largest user.

The IV.G was one of the principal aircraft used by the Imperial Russian Air Service during its formative years, with roughly 300 being produced locally by the Russo-Baltic Wagon Works and Shchetinin in St. Petersburg, and the Dux Factory in Moscow. Lt. Pyotr Nesterov performed the first ever loop, over Kiev in a model IV.G on 27 August 1913 for which he was placed under arrest for 10 days for "undue risk to government property" until the feat was repeated in France and he was promoted and awarded a medal.

The French government equipped a single squadron with Nieuport IV.Ms, Escadrille N12 initially based at Reims, having purchased at least 10. This unit continued to operate Nieuport monoplanes after the start of World War I, slowly replacing them with other types as attrition reduced their numbers.

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